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Re: [T3] Part # Query: Manifold Pressure Sensor Swap


You're probably right, it's probably the same physical part.  The
problem is that T4 engines are bigger with different characteristics
and the sensor is probably calibrated differently.  The parts are
probably electrically the same, so could be subbed, but running
results might be iffy.  Could go either rich or lean.  I wouldn't like
to go tweaking on the adjustment screw without some good exhaust gas
analysis equipment to back me up, either.  As several listees have
found, slight adjustments can make a whole lot of difference in
running, usually to the worse.  Burned valves or fouled plugs are no
fun.

On Fri, 05 Mar 1999 09:35:42 -0400, you wrote:

>Volks:
>
>A young woman in Montreal has posted a message to the (informal) type4
>list  looking for a part for her '73 type 4, which, upon further
>inq&~Ysrns out to the the manifold pressure sensor, VW part # 022
>906 051 E, Bosch Part # 0 280 100 049.  Am I right in my surmise that
>the equivalent '73 type 3 sensor, 311 906 051E/0 280 100 106 would be
>the same part (since only the vehicle sequence is different, with the
>part type and version number are the same), or perhaps, close enough to
>work (well)?
>
>Eric Forsman, '73 Square
>Baltimore, MD
>
>-------------------------------------------------------------------
>Too much? Digest! mailto:type3-d-request@vwtype3.org Subj=subscribe


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